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Trayectorias académicas de los estudiantes de licenciaturas de ciencias de la salud
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Martínez-González, Adrián

; Herrera-Penilla, Careli J.

; García-Minjares, Manuel

; Buzo-Casanova, Enrique R.

; Gutiérrez-Cirlos, Carlos

; Sánchez-Mendiola, Melchor

Gaceta médica de México

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Jun 2023, Volume 159 Nº 3 Páginas 238 - 244

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

Resumen Antecedentes: El análisis de las trayectorias académicas es fundamental para evaluar la formación de los estudiantes y la estructura de los programas de estudio de educación superior, lo que permite diagnosticar y prevenir el rezago y abandono escolar. Objetivo: Analizar las diferencias en las trayectorias académicas de los estudiantes de las licenciaturas en ciencias de la salud de la UNAM de las generaciones 2001 a 2016. Material y métodos: Estudio de cohortes reales; se calcularon tasas de egreso y rezago. Se realizó ANOVA para contrastar el egreso entre planteles por carrera y tiempo. Para identificar los períodos críticos se utilizaron funciones de supervivencia con el método de Kaplan-Meier. Resultados: En las licenciaturas en enfermería y medicina se observaron los menores porcentajes de rezago; enfermería presentó los mayores porcentajes de egreso, sobre todo en la Facultad de Estudios Superiores Zaragoza; odontología mostró los menores índices de egreso y mayores índices de abandono y rezago. Las mujeres mostraron mayor egreso y menor riesgo de abandono y rezago. Conclusiones: Los estudiantes de las licenciaturas en enfermería, medicina y psicología de las facultades de estudios superiores Zaragoza e Iztacala, con programas modulares, alcanzaron los mayores porcentajes de egreso y menores índices de abandono y rezago.

Abstract Background: Academic track record analysis is essential for evaluating the training of students and the structure of higher education study programs, which allows diagnosing and preventing educational lag and school dropout. Objective: To analyze the differences in academic track records of UNAM health sciences undergraduate students from generations 2001 to 2016. Material and methods: Study of real cohorts; graduation and lag rates were calculated. ANOVA was used to contrast the graduation rates between campuses by undergraduate program and time. To identify critical periods, survival functions were used with Kaplan-Meier’s method. Results: The lowest percentages of lag were observed in nursing and medicine students; nursing students had the highest graduation rates, especially at Zaragoza campus; dentistry students had the lowest graduation rates and the highest dropout and lag rates. Women showed higher graduation rates and lower risk of dropout and lag. Conclusions: Nursing, medicine and psychology undergraduate students at Zaragoza and Iztacala campuses, with modular programs, achieved the highest graduation percentages and the lowest dropout and lag rates.

https://doi.org/10.24875/gmm.22000393

Use of Impella Devices for Acute Cardiogenic Shock in the Perioperative Period of Cardiac Surgery
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Sicouri, Serge

; Shah, Vishal N.

; Buckley, Meghan

; Imperato, Nicholas

; McGee, Jacqueline

; Casanova, Elena

; Gnall, Eric

; Plestis, Konstadinos A.

Brazilian Journal of Cardiovascular Surgery

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Fev 2023, Volume 38 Nº 1 Páginas 71 - 78

Resumo: En | Texto: En | PDF: En

ABSTRACT Introduction: The Impella ventricular support system is a device that can be inserted percutaneously or directly across the aortic valve to unload the left ventricle. The purpose of this study is to determine the role of Impella devices in patients with acute cardiogenic shock in the perioperative period of cardiac surgery. Methods: A retrospective single-surgeon review of 11 consecutive patients who underwent placement of Impella devices in the perioperative period of cardiac surgery was performed. Patient records were evaluated for demographics, indications for placement, and postoperative outcomes. Results: Impella devices were placed for refractory cardiogenic shock preoperatively in 6 patients, intraoperatively in 4 patients, and postoperatively as a rescue in 1 patient. Seven patients received Impella CP, 1 Impella RP, 1 Impella CP and RP, and 2 Impella 5.0. Additionally, 3 patients required preoperative venovenous extracorporeal membrane oxygenation (VV-ECMO), and 1 patient required intraoperative venoarterial extracorporeal membrane oxygenation (VA-ECMO). All Impella devices were removed 1 to 28 days after implantation. Length of stay in the intensive care unit stay ranged from 2 to 53 days (average 23.9±14.6). The 30-day and 1-year mortality were 0%. Ten of 11 patients were alive at 2 years. Also, 1 patient died 18 months after surgery from complications of coronavirus disease (Covid-19). Device-related complications included varying degrees> of hemolysis in 8 patients (73%) and device malfunction in 1 patient (9%). Conclusions: The Impella ventricular support system can be combined with other mechanical support devices for additional hemodynamic support. All patients demonstrated myocardial recovery with no deaths in the perioperative period and in 1-year of follow-up. Larger studies are necessary to validate these findings.

https://doi.org/10.21470/1678-9741-2021-0398

Parents’ sense of coherence in the use of dental services by children aged 12 years old in the city Manaus/AM
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Gomes, Andressa Coelho

; Silva, Vivian Casanova da

; Quadros, Larissa Neves

; Rebelo, Maria Augusta Bessa

; Vieira, Janete Maria Rebelo

Brazilian Journal of Oral Sciences

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2023, Volume 22 elocation e230302

Resumo: En | Texto: En | PDF: En

Aim The aim of this study was to evaluate the association between the sense of coherence (SOC) of parents/guardians and the use of dental services by children who are 12 years old. Methods This is a cross-sectional study conducted in the eastern zone of the city of Manaus, with 358 children enrolled in the 7th grade in the municipal public school system. Data collection was performed through self-administered questionnaires sent to parents/guardians, which contained questions about socioeconomic conditions, use of dental services by children and Antonovsky’s SOC-13 scale. Data were examined by descriptive and bivariate analysis, using the Chi-square test, with a 5% significance level. Results Of the 358 children, 58.4% were female; in addition, 75.4% of the parents/guardians self-reported to be brown and 39.9% of them had a family income of ½ to 1 minimum wage. SOC was categorized as strong SOC and weak SOC by the median. The association between strong or weak SOC and the use of dental services in terms of frequency (p= 0.839) and reason for last visit (p= 0.384), was not significant. Conclusion It was concluded that SOC of parents/guardians and utilization of dental services by children were not associated.

https://doi.org/10.20396/bjos.v22i00.8670302

Effect of supplementation with distillery grains and day confinement on the productive performance of Hereford steers, which graze forage sorghum (Sorghum, spp.) during the summer
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Casanova, Dainelis

; Beretta, Virginia

; Saravia, Celmira

; Bentancur, O.

; Tagliani, E.M.

; Taño, M.

; Simeone, A.

Cuban Journal of Agricultural Science

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2023, Volume 57 elocation e02

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

En el Litoral Oeste de Uruguay, en 6 ha de sorgo forrajero, se evaluó el efecto de la suplementación con granos secos de destilería más solubles y el encierro diurno con sombra en el comportamiento productivo de novillos Hereford, que pastorean sorgo forrajero. Cuarenta y ocho novillos (267 ± 29.5 kg) se asignaron al azar a cuatro tratamientos en arreglo factorial 2x2: pastoreo libre sin suplemento, pastoreo libre con suplemento, encierro diurno sin suplemento, encierro diurno con suplemento (n=2. 6 novillos/ repetición). Se pastoreó en franjas semanales, con asignación de 8 kg de materia seca de pasto/100 kg de peso vivo. Se suplementó con granos secos de destilería más solubles, a razón de 1 kg de materia seca/100 kg de peso vivo. Entre las 10:00 a.m. y las 4:00 p.m., los animales con encierro diurno se retiraron de la pastura a un corral próximo, provisto de agua y sombra artificial. La suplementación con granos secos de destilería más solubles mejoró el comportamiento productivo, independientemente del manejo del pastoreo. La suplementación aumentó el consumo de materia seca e incrementó 2.9 veces la ganancia de peso vivo, con una respuesta en ganancia de peso de 0.928 kg/d y eficiencia de conversión del suplemento de 3.1:1 (consumo de suplemento, kg/ respuesta en ganancia de PV, kg). El encierro diurno mejoró el bienestar térmico de los animales y no afectó el consumo de materia seca ni la actividad de pastoreo. Sin embargo, no fue suficiente para expresar mejoras en la ganancia media diaria.

In the West Coast of Uruguay, on six ha of forage sorghum, the effect of supplementation with more soluble dry distillery grains and day confinement with shade was evaluated on the productive performance of Hereford steers, which graze forage sorghum. A total of forty-eight steers (267 ± 29.5 kg) were randomly assigned to four treatments in a 2 x 2 factorial arrangement: free grazing without supplement, free grazing with supplement, day confinement without supplement, day confinement with supplement (n=2. 6 steers/repetition). It was grazed in weekly strips, with allocation of 8 kg of dry matter of grass/100 kg of live weight. Between 10:00 a.m. and 4:00 p.m., the animals with day confinement were moved from the grass to a near pen, provided with water and artificial shade. The supplementation with more soluble dry distillery grains improved productive performance, regardless of grazing management. Supplementation increased dry matter intake and increased live weight gain 2.9 times, with a weight gain response of 0.928 kg/d and supplement conversion efficiency of 3.1:1 (supplement intake, kg/response in LW gain, kg). The day confinement improved the thermal welfare of animals and did not affect the intake of dry matter or grazing activity. However, it was not enough to express improvements in mean daily gain.

Failure response of expanded metal meshes subject to transversal impact
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Martínez, Gabriela

; Casanova, Euro

; Graciano, Carlos

Latin American Journal of Solids and Structures

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2023, Volume 20 Nº 7 elocation e495

Resumo: En | Texto: En | PDF: En

Abstract This paper aims at investigating the failure response of expanded metal meshes subject to transversal impact. Firstly, the study is performed through explicit nonlinear finite element analysis, in which a numerical model is developed to determine the impact performance and failure mode of expanded metal meshes. Thereafter, the effect of expanded metal cell geometries, impact mass and velocity on the structural response of the meshes is analyzed. Then the perforation resistance of the impacted meshes is assessed and analyzed by means of vulnerability curves for various expanded metal geometries subject to transversal impact. The extent of damage in the meshes is also evaluated, and the maximum displacements achieved in each impact scenario is quantified. At the end, it is demonstrated that the perforation performance of the meshes depends on the expanded metal cell dimensions expressed as a combination of the strand cross-section and major axis length. Finally, the results also show the feasibility of using expanded metal meshes to protect structures impacted by flying debris. Firstly analysis Thereafter evaluated quantified end crosssection cross section length Finally debris

https://doi.org/10.1590/1679-78257585

Frequent Cardiovascular Manifestations Associated With SARS Cov-2 Infection: Experience at a Tertiary Hospital In Cali, Colombia
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Galindes-Casanova, Duvan Arley

; Benitez-Escobar, Edith Norela

; Melo-Burbano, Luis Álvaro

; Murillo-Benitez, Nelson Eduardo

; Avila-Valencia, Juan Carlos

; Daza-Arana, Jorge Enrique

International Journal of Cardiovascular Sciences

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2023, Volume 36 elocation e20220181

Resumo: En | Texto: En | PDF: En

Abstract Background: Coronavirus disease 2019 (COVID-19) mainly affects the respiratory system, while the most common extrapulmonary complication of COVID-19 is cardiovascular involvement. Objective: To identify the frequency of electrocardiographic changes and cardiac arrhythmias in patients hospitalized with COVID-19 infection. Methods: This was a cross-sectional study, including patients aged >18 years with diagnosis of severe acute respiratory syndrome coronavirus 2 infection in a high-complexity hospital in Santiago de Cali, Colombia, from March to September 2020. A descriptive analysis with an analytical component and multiple logistic regression analysis were performed; all estimates were established with a 95% confidence level (CI) and a 5% significance level. Results: This study included 183 individuals; of whom 160 were considered for electrocardiographic analysis, 63% of which evidenced significant findings, the most frequent being sinus tachycardia (29.4%). The frequency of myocardial injury was 21.9% and was more common among non-survivors than among survivors (41.7% vs. 12.2%, p < 0.001). Myocardial injury was also significantly more common in patients who presented electrocardiographic findings than those who did not (26.5% vs. 12.1%, p = 0.032) and in those who required intensive care admission (31.8% vs 10.5%, p < 0.001). The strongest mortality-associated factor was the need for mechanical ventilation — odds ratio (OR), 9.14; 95% confidence interval, 3.4–24.5. Conclusions: Electrocardiographic findings in patients with COVID 19 are frequent, including newly diagnosed arrhythmias, justifying the use of cost-effective tools for the initial approach and follow-up of this affected population. Worse outcomes depend on factors such as invasive mechanical ventilation, comorbidities, age, and superinfection.

https://doi.org/10.36660/ijcs.20220181

THE ROLE OF MOTIVATION AND LIFE SATISFACTION ON CHILEAN UNIVERSITY STUDENTS’ PHYSICAL ACTIVITY AND SEDENTARY BEHAVIOR
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Faúndez-Casanova, César

; França, Diego Galdino

; Menezes, Murillo Lago

; Mellado, Víctor Contreras

; Aniotz, Alejandro Flores

; Caceres-Salas, Camila

; Castillo-Retamal, Marcelo

; Vásquez-Gómez, Jaime

Journal of Physical Education

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2023, Volume 34 elocation e3426

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

ABSTRACT Motivation is a fundamental element for the practice of physical activity and the feeling of satisfaction with life. However, little is known about the role of such psychological variables in the lifestyle of Chilean university students. This study aimed to analyse the relationship between life satisfaction and the regulations of motivation and to compare such variables by physical activity level and sedentary behaviour of university students. The sample comprised 95 Chilean university students (63.2% female), with a mean age of 20.92 ± 1.98 years. The instruments were the IPAQ, the Satisfaction with Life Scale, and the Behavioural Regulation in Exercise Questionnaire. Descriptive measures, Pearson’s correlation coefficient, and Student’s t-tests were used to analyse the data. The results revealed positive and significant correlations between life satisfaction and intrinsic (r = 0,44), integrated (r = 0,38), and identified (r = 0,41) regulation. Students with high levels of physical activity scored higher for intrinsic, integrated, and identified regulation. Those who reported low sedentary behaviour showed higher identified regulation. Therefore, it is suggested that students’ motivational regulation may differ on some dimensions as those with higher levels of physical activity show more adaptive motivational regulation. Identified regulation also seems to play an important role in decreasing sedentary behaviour.

RESUMO A motivação é elemento fundamental para a prática de atividade física e o sentimento de satisfação com a vida. Contudo, pouco se sabe sobre o papel de tais variáveis psicológicas no estilo de vida de estudantes universitários chilenos. Este estudo teve como objetivos analisar as relações entre a satisfação com a vida e as regulações da motivação, e comparar tais variáveis em função do nível de atividade física e do comportamento sedentário de estudantes universitários. A amostra foi composta por 95 estudantes universitários chilenos (63,2% do gênero feminino), com idade média de 20,92 ± 1,98 anos. Os instrumentos avaliados foram o IPAQ, a Escala de Satisfação com a Vida e o Questionário de Regulação do Comportamento do Exercício. Medidas descritivas, coeficientes de correlação de Pearson e testes t de Student foram utilizados para analisar os dados. Os resultados revelaram correlações positivas e significativas entre satisfação com a vida e regulação intrínseca (r = 0,44), integrada (r = 0,38) e identificada (r = 0,41). Os estudantes com alto nível de atividade física obtiveram maiores pontuações para regulação intrínseca, integrada e identificada. Os indivíduos que reportaram menor comportamento sedentário possuíam maior regulação identificada. Desse modo, sugere-se que a regulação motivacional dos estudantes pode ser diferente em algumas dimensões, sendo que os indivíduos com maior nível de atividade física semanal demonstram regulações motivacionais mais adaptativas. A regulação identificada também parece desempenhar um papel importante para a redução do comportamento sedentário.

https://doi.org/10.4025/jphyseduc.v34i1.3426

Birdlife, a tourist attraction for the southern portion of Bacalar Lagoon, Quintana Roo, Mexico
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López-Castilla, H. M. J.

; Cetzal-Ix, W.

; Casanova-Lugo, F.

; Ramírez-Barajas, P. J.

; Lara-Pérez, L.

; Basu, S. K.

; Enríquez-Nolasco, J. R.

Brazilian Journal of Biology

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2023, Volume 83 elocation e275598

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

Abstract The Bacalar Lagoon (BL) in Quintana Roo, Mexico; is an area of high interest due to its tourist potential. However, the changes in landuse patterns, urbanization, extensive cattle ranching and rapidly expanding agriculture, have generated negative impacts on areas of adjacent plan communities and wildlife habitats. The objective of this study has to evaluate the level of vegetation conservation in the southern portion of the BL through the avifauna present in sites with contrasting degrees of conservation. Additionally, change “and their habitat preference(s) in the different communities” to and their habitat use preferences in the different communities. To evaluate the level of conservation of the BL, field visits and botanical collections were carried out to identify species. For the counting and identification of birds, monthly surveys were made through coastal tours along the cenote Xul-ha in 2.5 km transects. Four transects were established: two for sites characterized as semi-conserved and two with disturbed sites. A total richness of 40 taxa was observed, which corresponds to 8.1% of the Quintana Roo avifauna and 32% to wetland birds (125 species). The species accumulation curves indicated that semi-conserved and disturbed sites tend to reach asymptotes and with a coverage percentage greater than 90%. In terms of diversity and community structure, no significant differences were observed. However, the semi-conserved and disturbed sites each have 11 unique species and share 18 species. The LB has an intermediate diversity of bird species compared to studies at the Mexican level, the habitat is important for the conservation of birdlife; as it functions as a reservoir of diversity. Strategies has been suggested that promote sustainable tourism, support the restoration of natural vegetation; and facilitate the economic development of the region.

Resumo A Lagoa Bacalar (BL) em Quintana Roo, México, é uma zona de grande interesse devido ao seu potencial turístico. No entanto, as mudanças nos padrões de uso da terra, urbanização, pecuária extensiva e agricultura em rápida expansão geraram impactos negativos nas áreas das comunidades adjacentes do plano e nos habitats da vida selvagem. O objetivo deste estudo foi avaliar o nível de conservação da vegetação na porção sul da BL através da avifauna presente em locais com graus de conservação contrastantes. Além disso, alterar sua(s) preferência(s) de habitat nas diferentes comunidades. Para avaliar o nível de conservação da LB foram realizadas visitas de campo e coletas botânicas para identificação de espécies. Para a contagem e identificação das aves foram realizados levantamentos mensais através de passeios costeiros ao longo do cenote Xul-ha em transectos de 2,5 km. Foram estabelecidos quatro transectos: 2 para locais caracterizados como semiconservados e 2 para locais perturbados. Uma riqueza total de 40 táxons foi observada, o que corresponde a 8,1% da avifauna de Quintana Roo e 32% de aves pantanosas (125 espécies). As curvas de acumulação de espécies indicaram que locais semiconservados e perturbados tendem a atingir assíntotas e com percentual de cobertura superior a 90%. Em termos de diversidade e estrutura comunitária, não foram observadas diferenças significativas. No entanto, os locais semiconservados e perturbados têm, cada um, 11 espécies únicas e partilham 18 espécies. A BL possui uma diversidade intermediária de espécies de aves em comparação com estudos mexicanos, o habitat é importante para a conservação da avifauna; pois funciona como um reservatório de diversidade. Estratégias que promovem o turismo sustentável, apoiam a restauração da vegetação natural e facilitam o desenvolvimento econômico da região foram sugeridas, no presente estudo.

https://doi.org/10.1590/1519-6984.275598

Clinical and socio-demographic factors associated with dental extractions in a clinical sample
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Bernal-Sánchez, Karla Karen

; Lara-Carrillo, Edith

; Velázquez-Enriquez, Ulises

; Casanova-Rosado, Juan Fernando

; Casanova-Rosado, Alejandro José

; Morales-Valenzuela, Adriana Alejandra

; Márquez-Rodríguez, Sonia

; Medina-Solís, Carlo Eduardo

; Maupomé, Gerardo

Brazilian Dental Journal

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2023, Volume 34 Nº 6 Páginas 121 - 129

Resumo: En Pt | Texto: En Pt | PDF: En | PDF: Pt

Abstract The objective of the present study was to identify the reasons for dental extractions in patients seeking dental care in a university dental clinic in Mexico. This is a cross-sectional study that assessed 284 consecutive patients at the School of Dentistry, Autonomous University of the State of Mexico between August 2017 and November 2018. In total, 505 extractions were performed. The dependent variable was the reason for extraction: 0) dental caries and ensuing sequels (reference category); 1) periodontal disease and ensuing sequels; and 2) other reasons. Sociodemographic, socioeconomic, and clinical variables were included as independent variables. The analysis was done with multinomial logistic regression (Stata 14.0). Out of all extractions, 63.6% (n=321) were due to dental caries and ensuing sequels; 22.0% (n=111) were due to periodontal disease and ensuing sequels; 5.3% (n=27) endodontic failure; 5.1% (n=26) prosthetic indications; 1.6% (n=8) orthodontic indications; and the rest (2.4%) were due to other reasons. In the multivariate model extractions due to periodontal disease vs dental caries were associated with occasionally smoking tobacco (Odds Ratio, OR=3.90) or daily tobacco use (OR=3.19); the tooth to be extracted having been previously restored (OR=2.35); extracted anterior as opposed to posterior teeth (OR =2.63); and patients with multiple extractions (OR=2.68). In the case of extractions due to “other reasons”, no variable was significant. Dental caries and periodontal disease were the main reasons for dental extraction in this sample. Several variables, mostly clinical, were associated with extractions for periodontal reasons.

Resumo O objetivo do presente estudo foi identificar os motivos das extrações dentárias em pacientes que procuram atendimento odontológico em uma clínica odontológica universitária no México. Este é um estudo transversal que avaliou 284 pacientes consecutivos na Faculdade de Odontologia da Universidad Autónoma del Estado de México entre agosto de 2017 e novembro de 2018. No total, foram realizadas 505 extrações. A variável dependente foi o motivo da extração: 0) cárie dentária e sequelas subsequentes (categoria de referência); 1) doença periodontal e sequelas subsequentes; e 2) outros motivos. Variáveis sociodemográficas, socioeconômicas e clínicas foram incluídas como variáveis independentes. A análise foi feita com regressão logística multinomial (Stata 14.0). De todas as extrações, 63,6% (n=321) foram devidas a cárie dentária e sequelas subsequentes; 22,0% (n=111) foram devidas a doença periodontal e sequelas subsequentes; 5,3% (n=27) a insucesso endodôntico; 5,1% (n=26) a indicações protéticas; 1,6% (n=8) a indicações ortodônticas; e o restante (2,4%) foi devido a outros motivos. No modelo multivariado, as extrações por doença periodontal vs. cárie dentária foram associadas ao tabagismo ocasional (Odds Ratio, OR=3,90) ou ao uso diário de tabaco (OR=3,19); ao fato de o dente a ser extraído ter sido restaurado anteriormente (OR=2,35); à extração de dentes anteriores em vez de posteriores (OR=2,63); e a pacientes com extrações múltiplas (OR=2,68). No caso de extrações devido a "outros motivos", nenhuma variável foi significativa. A cárie dentária e a doença periodontal foram os principais motivos de extração dentária nessa amostra. Diversas variáveis, principalmente clínicas, foram associadas às extrações por motivos periodontais.

https://doi.org/10.1590/0103-6440202305355

10.

Diversidad edáfica en viñedos de Montesa y Torresalas (DOP Somontano, NE-España)
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Badía, D.

; Jiménez, A.

; Muñoz, M.

; Martí, C.

; Ortíz, O.

; Casanova, J.

; Cuchí, J.A.

; Duque, C.

; Echandi, J.

Revista de Ciências Agrárias

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Dez 2022, Volume 45 Nº 4 Páginas 91 - 100

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

Resumen En este trabajo se caracterizan, clasifican y evalúan los suelos de dos zonas próximas a Barbastro (Montesa y Torresalas), en la Denominación de Origen Protegida Somontano (NE-España). Bajo un régimen de humedad xérico, las propiedades y formación de los suelos están íntimamente relacionadas con su posición en el relieve y, especialmente con su material parental. En Montesa, sobre margas y areniscas Oligo-Miocenas predominan los Calcisols, con Cambisols en unidades geomorfológicas menos estables. En Torresalas se encuentran Gypsisols sobre yesos Oligo-Eocenos y Calcisols sobre depósitos detríticos de terraza aluvial Pleistocena. Respecto a la aptitud para el cultivo de la viña, en Montesa se obtienen unos homogéneos índices de Potencial de Vigor (fuerte) y de Potencial de Precocidad (moderadamente débil) del terreno. En Torresalas, ambos indices muestran mayor heterogenidad, con un potencial de vigor que varía entre débil y fuerte, y un potencial de precocidad que varía entre moderadamente débil y moderadamente fuerte. Las variedades blancas (Gewürztraminer, Chardonnay) adquieren una elevada mineralidad sobre Gypsisols, lo que confiere a los vinos una peculiar personalidad. Las variedades tintas prefieren cultivarse sobre el resto de grupos de suelos, muy carbonatados, donde los vinos adquieren taninos de calidad y en un nivel adecuado.

Abstract Soils are characterized, classified and evaluated in two areas near Barbastro (Montesa and Torresalas), in the Somontano Protected Designation of Origin (NE-Spain). Under a xeric humidity regime, the properties and formation of the soils are closely related to their position in the relief and, especially, to their parent material. In Montesa, on Oligo-Miocene marls and sandstones, Calcisols predominate, with occasional Cambisols in less stable geomorphological units. In Torresalas there are two very different zones, with Gypsisols on Oligo-Eocene gypsum and Calcisols on detritic deposits of a Pleistocene alluvial terrace. Regarding the suitability for vineyard cultivation, in Montesa high values of the Vigor Potential index and moderately weak values of the Precocity Potential have been obtained. In Torresalas, both indices show greater heterogeneity, with Vigor Potential ranging from weak to strong, and Precocity Pontential ranging from moderately weak to moderately strong. The white varieties (Gewürztraminer, Chardonnay) acquire a high minerality on Gypsisols, which gives the wines a peculiar personality. The red varieties prefer to grow on the rest of the soil groups, very carbonated, where the wines acquire an adequate level of tannins and quality.

https://doi.org/10.19084/rca.28387

11.

Seasonal variation in biomass yield and quality of Tithonia diversifolia at different cutting heights
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Uu-Espens, Carol

; Canul-Solís, Jorge R.

; Chay-Canul, Alfonso J.

; Piñeiro-Vázquez, Ángel T.

; Villanueva-López, Gilberto

; Aryal, Deb R.

; Pozo-Leyva, Dixan

; Casanova-Lugo, Fernando

Ecosistemas y recursos agropecuarios

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Dez 2022, Volume 9 Nº 3 elocation e3252

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

Resumen El objetivo de esta investigación fue evaluar y comparar el rendimiento y la calidad del forraje de Tithonia diversifolia bajo diferentes alturas de cosecha, durante las estaciones seca y lluviosa en el tropico de México. Los tratamientos consistieron en tres alturas de cosecha a 40, 60 y 80 cm del nivel del suelo cortadas cada 60 días, durante dos épocas del año. En cada período, la biomasa se cosechó y se separó en componentes comestibles y no comestibles. Se determinó el rendimiento de biomasa y la concentración de proteína cruda (CP), fibra detergente neutra (FDN), fibra detergente ácido (FDA), lignina, cenizas y materia orgánica (MO) del forraje. El corte a 80 cm de altura produjo la mayor biomasa de forraje por cosecha (2 008 kg MS ha−1) mientras que no hubo diferencias significativas en el rendimiento de forraje entre 40 y 60 cm de altura. Las diferencias en las alturas de corte también afectaron la calidad de los nutrientes del forraje comestible animal porque las concentraciones de CP, FDA y FDN variaron significativamente. Hubo una interacción significativa entre las alturas de corte y la temporada en la producción y calidad del forraje. En la estación seca, el contenido de NDF, FDA, lignina y ceniza fue mayor, mientras que el PC y MO fueron menores. Se recomienda el uso de T. diversifolia como una planta forrajera y cosechar a una altura de 80 cm para mantener la mejor producción y la calidad del forraje durante todo el año para la producción ganadera.

Abstract The objective of this research was to evaluate and compare the yield performance and quality of Tithonia diversifolia forage under different harvesting heights, during the dry and rainy seasons in tropical Mexico. The treatments consisted of three harvest heights 40, 60 and 80 cm from the ground level, cut every 60 days, during two seasons of the year. In each period, the biomass was harvested and separated into edible and non-edible components. We determined the biomass yield, and the concentration of crude protein (CP), neutral detergent fibre (NDF), acid detergent fibre (ADF), lignin, ash and organic matter (OM) of the forage. Cutting at 80 cm height yielded the highest forage biomass per harvest (2 008 kg DM ha−1) while there were no significant differences in forage yield between 40 and 60 cm heights. The differences in cutting heights also affected the nutrient quality of the animal edible forage because the concentrations of CP, ADF and NDF varied significantly. There was a significant interaction between cutting heights and the season on forage production and quality. In the dry season, the content of NDF, FDA, lignin and ash were higher, while the PC and OM were lower. The use of T. diversifolia as a forage plant and cutting it to a height of 80 cm is recommended to maintain the best production and the quality of the forage throughout the year for livestock production.

https://doi.org/10.19136/era.a9n3.3252

12.

Recomendaciones en el abordaje del hematoma intracerebral espontáneo durante la internación
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Pigretti, Santiago G.

; Mirofsky, Matías

; García, Darío E.

; Issac, Cristian

; Valdez, Pascual

; Persi, Gabriel G.

; Mamani, Carlos E.

; Guyon, Jorgelina

; Álvarez, Héctor

; Montes, Mariana

; Daza Aramayo, José M.

; Iturrieta, Pablo

; Chaves, Hernán

; Sarmiento, Verónica

; Tumino, Leandro

; Domeniconi, Gustavo

; Castagna, Rosa

; Sabio, Rodrigo

; Videtta, Walter

; Ciarrocchi, Nicolás

; Lerman, Damián

; Dossi, Daiana E.

; Balian, Natalia R.

; Velasquez, Mariela A.

; Rufino Saravia, Gonzalo

; Alet, Matías J.

; Rodríguez Lucci, Federico

; Ciardi, Celina

; Pujol Lereis, Virginia

; Claverie, Santiago

; Casanova, Matías

; González, Leonardo

; Mónaco, Juan Manuel

; Cárdenas, Rolando E.

; Cirio, Juan José

; Arturi, Jessica

; Requejo, Flavio

; Plou, Pedro L.

; Orzuza, Gabriela

; Bonardo, Pablo

; Díaz, María Fernanda

; Payaslian, Silvio

; Andrade, María Gabriela

; Gomez Schneider, Maia M.

; Romano, Marina

; Colla Machado, Pedro

; Arroyo, José

; Arcondo, María Florencia

; Svampa, Silvana

; Armenteros, Cristhian

; Tejada Jacob, Virginia

; Zurrú, María Cristina

Medicina (Buenos Aires)

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Nov 2022, Volume 82 Supl. 4 Páginas 1 - 56

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

Resumen El accidente cerebrovascular (ACV) constituye la principal causa de discapacidad de origen neuro- lógico en los adultos mayores a 40 años y la cuarta causa de muerte en Argentina. En los últimos diez años las publicaciones indexadas relacionadas al tratamiento del ACV isquémico fueron más numerosas que las de ACV hemorrágico. El objetivo de este material es proporcionar recomendaciones locales y actualiza- das del abordaje de pacientes con hematoma intraparenquimatoso espontáneo durante la internación. Para la redacción de este manuscrito se convocó a especialistas en esta enfermedad que conformaron grupos de trabajo. Se plantearon 10 tópicos centrales expresados como epidemiologia, atención inicial, imágenes, tratamiento de la presión arterial, reversión de antitrombóticos, indicación de cirugía, profilaxis anticonvulsivante, pronóstico, prevención de complicaciones y reinicio de antitrombóticos. De cada tópico se plantearon mediante preguntas PICO los interrogantes más frecuentes de la práctica diaria. Luego de una revisión sistemática de la literatura, se generaron recomendaciones evaluadas mediante sistema GRADE y consensuadas entre autores y pacientes.

Abstract Stroke is the leading cause of neurological disability in people over 40 years of age and the fourth leading cause of death in Argentina. In the last ten years, the indexed publications related to the treatment of ischemic stroke were more numerous than those of hemorrhagic stroke. The objective of this material is to provide local and updated recommendations for the management of patients with spontaneous intracere- bral hemorrhage during hospitalization. For the writing of this manuscript, diferent specialists were convened to form working groups. Ten central topics expressed as epidemiology, initial care, imaging, blood pressure treatment, reversal of antithrombotics, indication for surgery, seizure prophylaxis, prognosis, prevention of complications and resumption of antithrombotics were raised. For each topic, the most frequent questions of daily practice were raised through PICO questions. After a systematic review of the literature, recommendations were generated, evaluated using the GRADE system and agreed between authors and patients.

13.

Bioprinting as a food production technique: conceptual and ethical aspects, advantages and disadvantages, and applications
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Carbajal-Gamboa, G. A.

; Ostolaza-Saz, A. E.

; Dueñas-Parapar, D. A.

; Casanova, J. L.

; Gonzales-Molfino, H. M.

Scientia Agropecuaria

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Jul 2022, Volume 13 Nº 3 Páginas 231 - 238

Resumo: En | Texto: En | PDF: En

Abstract 3D bioprinters present techniques that have various applications in the food industry. For this reason, this work aims to compile and review various research works focused on the utilities and advantages of this type of machinery. Where we first mention the basis of these bioprinting techniques and then proceed to highlight the bioethical issues that surround their application in the food industry, analyze the current advantages and disadvantages, the user that has been given in the production of food for astronauts, and also mention some of the research that has been taking place in Latin America and the world. The greatest advantage of 3D bioprinting of food is the speed of production compared to traditional manufacturing methods, allowing one to obtain food with various geometric shapes; it allows control of the nutritional value, and the texture of the product, reduces environmental pollution and has the advantage of being able to take advantage of the greater performance of the materials required for production. Additionally, this technology is considered an alternative production technique that will be used to solve the problem of feeding in places of scarce resources such as space and areas not suitable for animal husbandry.

https://doi.org/10.17268/sci.agropecu.2022.021

14.

Minimal invasive surgical resection of myxomas: a three case series study
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Pérez-Rivera, Carlos J.

; González-Orozco, Alejandro

; Figueroa-Casanova, Rafael

; Ramírez, Juan S.

; Caicedo-Holguín, Isabela

Revista Colombiana de Cardiología

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Dez 2021, Volume 28 Nº 6 Páginas 642 - 647

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

Resumen Introducción y Objetivo Los tumores cardíacos no suelen ser diagnosticados hasta la realización de autopsia o en otros casos como hallazgos incidentales. El tumor cardiaco más común es el mixoma, aunque es poco frecuente; en el momento del diagnóstico a menudo se requiere una resección quirúrgica urgente. Anteriormente el enfoque quirúrgico era una atriotomía abierta derecha; sin embargo, recientemente se han empleado técnicas quirúrgicas nuevas con excelentes resultados. Describimos una técnica quirúrgica reciente a través de la minitoracotomía lateral derecha como un método mínimamente invasivo con tres casos que evidencian un método quirúrgico apropiado e ideal. Métodos y pacientes: Se presentan tres casos de resección mínimamente invasiva de mixomas a través de una minitoracotomía lateral derecha. Resultados y discusión: Es estos tres casos no se reportaron complicaciones perioperatorias ni durante el seguimiento a los 6 y 12 meses. En comparación con otras series de casos en la literatura, el enfoque en Colombia ha sido comparable tanto en los resultados exitosos como con las técnicas quirúrgicas, sin complicaciones asociadas. Conclusiones La minitoracotomía lateral derecha puede ser considerada segura en resección de mixoma. Con este tipo de reportes se espera suscitar en la comunidad médica la elección de alternativas quirúrgicas mínimamente invasivas para garantizar excelentes resultados y promover la investigación, como se evidencia en el resto del mundo.

Abstract Introduction and Objective Cardiac tumors are often unrecognized until autopsies are performed or diagnosed from routine studies based on unspecific symptoms. The most common type of tumor is the myxoma, although rare, upon diagnosis an urgent surgical resection is often required. Previously the ideal surgical approach was a standard median sternotomy, however recently newer surgical techniques have been employed with excellent results. We describe a recent surgical approach via the right lateral minithoracotomy as a minimally invasive intervention with three cases that evidence an appropriate and ideal surgical approach. Method and Patients We present three cases of minimally invasive myxoma resection via the right lateral minithoracotomy. Results and discussion In this three-case series study, no complications were reported peri-operatively nor at the 6 and 12-month follow-ups. In comparison with international literature, surgical approaches in Colombia are comparable with successful resection and little or no complications peri-operatively. Conclusions The right lateral minithoracotomy appears to be a safe approach in myxoma resection. We hope to enhance and promote the surgical community in Colombia to opt for alternative less invasive approaches in these type of cases, to ensure excellent results and promote further research as seen in other countries.

https://doi.org/10.24875/rccar.m21000107 12 downloads

15.

Diseño y validación de la escala pronóstica cubana PREDICMED para estratificar el riesgo de mediastinitis postoperatoria
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Bermúdez Yera, Gustavo de J.

; Barreto Fiu, Eligio E.

; Chaljub Bravo, Ernesto

; López de la Cruz, Yoandy

; Naranjo Ugalde, Alfredo M.

; Rabassa López-Calleja, Magda A.

; Lagomasino Hidalgo, Álvaro L.

; Mirabal Rodríguez, Roger

; Lastayo Casanova, Ramona G.

; Iturralde Espinosa, Arturo V.

; Allende González, Alain

; Quintero Fleties, Yolepsis F.

CorSalud

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Dez 2020, Volume 12 Nº 4 Páginas 392 - 401

Resumo: En Es | Texto: En Es | PDF: En | PDF: Es

ABSTRACT Introduction: Phenomena prediction through prognostic scales is a valuable tool in medical sciences nowadays and it should be included in the decision-making process. Predicting postoperative mediastinitis allows to count on resources for its prevention. Objective: To build a prognostic scale to stratify the risk of suffering from postoperative mediastinitis. Method: A case-control study for the risk factors of postoperative mediastinitis was carried out at the Cardiocentro Ernesto Guevara from Santa Clara, Cuba. After the logistic regression, the model was obtained and from it, the predictors to obtain the Cuban prognostic scale of postoperative mediastinitis PREDICMED were included and weighted, which was validated through several methods. Results: This scale was obtained, counting on six predictors and two risk strata. Its performance was analyzed through adjustment, calibration and determination of its discriminating capacity, showing good results. Internal validation was carried out through the data division method and its capacity was compared in both subsets (development and validation) showing no differences. Its good construct validity was demonstrated, since there were no differences between the predicted and the observed probabilities. Its contents validity was also analyzed by experts. Finally, its criteria validity was determined when compared with another similar scale (Medscore). PREDICMED showed a very good discriminatory capacity (area under the curve 0.962) as well as high values of sensitivity (84.62%) and specificity (92.31%). Conclusions: The Cuban prognostic scale PREDICMED, to stratify the risk of postoperative mediastinitis showed good validation parameters and it was able to stratify the risk in not high and high.

RESUMEN Introducción: La predicción de fenómenos en las ciencias médicas mediante escalas pronósticas constituye una herramienta valiosa en la actualidad y deben incluirse en el proceso de toma de decisiones. Pronosticar la mediastinitis postoperatoria permite disponer de recursos para su prevención. Objetivo: Construir una escala pronóstica para estratificar el riesgo de padecer mediastinitis postoperatoria. Método: Se realizó un estudio de casos y controles para los factores de riesgo de mediastinitis postoperatoria en el Cardiocentro Ernesto Guevara de Santa Clara, Cuba. Luego de la regresión logística se obtuvo el modelo y, a partir de este, se incluyeron y ponderaron los predictores para obtener la escala cubana pronóstica de mediastinitis postoperatoria: PREDICMED, que se validó por diversos métodos. Resultados: Esta escala se obtuvo con seis predictores y dos estratos de riesgo. Se analizó su rendimiento mediante ajuste, calibración y determinación de su poder discriminante, con buenos resultados. Se realizó validación interna por el método de división de datos y se comparó su capacidad en ambos subconjuntos (desarrollo y validación) sin diferencias. Se probó su buena validez de constructo, al no existir diferencias entre las probabilidades predichas y las observadas. También se analizó su validez de contenido mediante expertos. Por último, se determinó su validez de criterio al comparar con otra escala similar (MEDSCORE). PREDICMED presentó muy buena capacidad discriminatoria (área bajo la curva 0,962) y elevados valores de sensibilidad (84,62%) y especificidad (92,31%). Conclusiones: La escala pronóstica cubana PREDICMED, para estratificar el riesgo de mediastinitis postoperatoria, mostró buenos parámetros de validación y logró estratificar el riesgo en no alto y alto.

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